A 4.1-magnitude earthquake was reported in Alaska on Thursday (July 3), according to the United States Geological Survey. The ...

Essentially, gas pistoning is a shallow, degassing-driven rise and fall of a lava surface. Often these pistons occur in ...

A minor, 3.3-magnitude earthquake struck in Northern California on Monday, according to the United States Geological Survey.

A 3.3-magnitude earthquake hit Northern California Monday evening near Los Banos, about 30 miles from San Jose. No damage ...

A small earthquake struck off the coast of Isla Vista on Thursday morning. It was 2.7 magnitudes, approximately 6 miles off the coast.

A preliminary 3.0 magnitude earthquake struck near Dublin Monday night, according to the United States Geological Survey. The ...